Please provide some detail in each answer, not just one word or one sentence or a bulleted list. Show your calculation and use correct units. Please cite you answer if needed and do not work in groups. 1) What are the major types of radiation that may be emitted from radioactive decay and what are their characteristics? (15 points) 2) Describe what a natural decay series is and why they are important. (5 points) 3) Describe the 3 major processes that we are concerned with that cause stable isotope fractionation. (5 points) 4) For C and O, N isotopes briefly describe at least one important use in marine science. (10 points) 5) What are the sources of radionuclides in the marine environments? Give examples. (10 points)